Structure build system to build for multiple boards/apps/environments
diff --git a/firmware/apps/cardem/Makefile b/firmware/apps/cardem/Makefile
new file mode 100644
index 0000000..8a2f29b
--- /dev/null
+++ b/firmware/apps/cardem/Makefile
@@ -0,0 +1,3 @@
+C_FILES += $(C_LIBUSB_RT)
+
+C_FILES += card_emu.c ccid.c host_communication.c iso7816_4.c iso7816_fidi.c mitm.c mode_cardemu.c simtrace_iso7816.c sniffer.c tc_etu.c usb.c